html,
body {
  margin: 0px;
}

.App {
  font-family: sans-serif;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.App.theme-light {
  background-color: #fff;
}

.App.theme-dark {
  background-color: #171717;
}

.switch {
  position: relative;
  display: inline-block;
  width: 60px;
  height: 34px;
  margin: 1rem;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #ccc;
  -webkit-transition: 0.3s;
  transition: 0.3s;
}

.slider:before {
  position: absolute;
  content: "🌝";
  font-size: 23px;
  height: 26px;
  width: 26px;
  left: 4px;
  bottom: 4px;
  -webkit-transition: 0.3s;
  transition: 0.3s;
}

input:checked+.slider {
  background-color: #2196f3;
}

input:focus+.slider {
  box-shadow: 0 0 1px #2196f3;
}

input:checked+.slider:before {
  -webkit-transform: translateX(26px);
  -ms-transform: translateX(26px);
  transform: translateX(26px);
  content: "☀️";
}

.slider.round {
  border-radius: 34px;
}

.slider.round:before {
  border-radius: 50%;
}

ul {
  padding: 0px;
  width: 90%;
  max-width: 500px;
}

li {
  list-style: none;
  margin: 1rem;
  border: 1px solid grey;
  padding: 1rem;
  border-radius: 10px;
  font-family: "Avenir Next";
}